update

test/demo_yfinance/demo.py

@@ -0,0 +1,35 @@
+import os
+os.environ["http_proxy"] = "http://127.0.0.1:7890"
+os.environ["https_proxy"] = "http://127.0.0.1:7890"
+
+# pip install yfinance
+import yfinance as yf
+from datetime import datetime
+
+def crypto_last(ticker: str) -> float:
+    """
+    返回某个币对 USD 的最新收盘价（1m 线最近一次）
+    ticker 示例: "BTC-USD", "ETH-USD", "SOL-USD"
+    """
+    data = yf.download(
+        tickers=ticker,
+        period="1d",
+        interval="1m",
+        auto_adjust=True,
+        progress=False,
+        threads=False
+    )
+    if data.empty:
+        raise RuntimeError("yfinance 返回为空，可能 ticker 写错或网络问题")
+    # 关键修正：把 Series 转成标量
+    last_close = data["Close"].iloc[-1].item()
+    return last_close
+
+if __name__ == "__main__":
+    pairs = ["BTC-USD", "ETH-USD", "SOL-USD", "SUI-USD"]
+    for p in pairs:
+        try:
+            price = crypto_last(p)
+        except Exception as e:
+            print(e)
+        print(f"{datetime.now():%Y-%m-%d %H:%M:%S}  {p}: {price}")